Python

Simply record several points for later forgetting:1, the default encoding method in Python is ASCIIIn [1]: Import Sysin [2]: Sys.getdefaultencoding () out[2]: ' ASCII '2. Set the default encoding in PythonIn [1]: Import Sysin [2]: Reload (SYS) in [3]

Simply record several points for later forgetting:1, the default encoding method in Python is ASCIIIn [1]: Import Sysin [2]: Sys.getdefaultencoding () out[2]: ' ASCII '2. Set the default encoding in PythonIn [1]: Import Sysin [2]: Reload (SYS) in [3]

One, BeautifulSoup moduleAbout BeautifulSoup module is mainly used to standardize the Web page source code, using some of its specific analytic tag function to analyze the Web page, to get some specific content, easy to use easy to start, but still

Today the main study of the list, Python's list is really too powerful, because the content is more, today it is simple to introduce some of the newly learned member functions.First we want to understand that list is a sequence type that is

To the official website to download the source code. Like what:wget http://www.python.org/ftp/python/2.7.8/Python-2.7.8.tgz Unzip the source packageTAR-ZXVF python-2.7.8.tgz CompileCD Python-2.7.8./configure--prefix=/usr/local #指定了目录, if not

1. __import__ of ReflectionWe know that the import statement is for importing external modules, and of course from...import ... Yes, but actually import actually works using the BUILTIN function __import__.In some programs, we can dynamically call

Simple comparison between linear_regression and logistic_regression and Python implementationLong time no blog, in the factory internship is every day tired into the rhythm of the dog, recently fortunate to rub to the next door group boss Small

/* a */>>>classT (): a=0 B=a>>>t.b0>>>delT/* Two */>>>classT (): a=0 B=T.atraceback (most recent): File"", Line 1,inchclassT (): File"", Line 3,inchT b=T.anameerror:name'T' is notdefined/* Three */>>>classT ():defA (self):Print('a') defAB

Python cralwer (crawler) Experience Recently I made a small crawler using python, which can automatically sort out some website content and push it to the local file to make a small summary.   The main lib is urllib and beautifulsoup.   Urllib and

Pyqt QSS simple Ui beautification, pyqtqssuiWhat is QSS? QSS is short for Qt StyleSheet, which means qt style sheets. StyleSheet can be written like CSS. Separating page beautification from code layers facilitates maintenance.  QSS syntax Like css,

Python import usage and the difference from... import, pythonfromimport Use import or from... import in python to import the corresponding module. The module is actually a collection file of some functions and classes. It can implement some

Test APIs using python  1. About requests Requests is an http client library of python. It is designed to simplify http test writing.  2. Development Environment It is very convenient to build a development environment under mac. sudo easy_install

Reading and Writing txt files using different codes in Python, Copy codeThe Code is as follows:Import OSImport codecsFilenames = OS. listdir (OS. getcwd ()) Out = file ("name.txt", "w ")For filename in filenames:Out. write (filename. decode ("gb2312"

Python counts the number of words that appear. I recently read the python scripting language. It is an explanatory language and can be directly used without compilation. It is explained by the interpreter. The python language is powerful and concise.

Python smallseg word segmentation usage Example Analysis, pythonsmallseg This example describes how to use the Python smallseg word segmentation function. Share it with you for your reference. The specific analysis is as follows: # Encoding = UTF-8 #

Python operator overload usage instance, python operator overload This example describes how to use the Python operator for overloading. Share it with you for your reference. The specific analysis is as follows: In python, when defining classes,

Python 26 hexadecimal computation implementation method, python26 hexadecimal Computation This article describes the 26-digit Python calculation method. Share it with you for your reference. The specific analysis is as follows: The question is as

Python with... as usage introduction, pythonwith... This syntax is used to replace the traditional try... finally syntax.Copy codeThe Code is as follows:With EXPRESSION [as VARIABLE] WITH-BLOCKThe basic idea is that the object with the value must

Example of super usage in Python and pythonsuper Super is used to solve the problem of multi-inheritance. It is okay to directly call the parent class method using the class name when using single inheritance. However, if multiple inheritance is

How to Set TEMPLATES in the Django framework of Python, djangotemplates TEMPLATES New Features of Django 1.8A list containing all template engine settings used in Django. Each item in the list is a dictionary that contains an engine option. The